MESON Chess Problem Database
Problem Display
PID: 183065 (3K1R2/1N6/2NBk3/p3p2r/8/2b2B2/8/2Q5 w - - 0 1)
Lamba, Stelian
De Waarheid, 1983
#2
7 + 5
| 133 | The Problemist Supplement | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rh6
- 2.Qxh6#
- 1...Ba1
- 2.Qc4#
- 1...Be1
- 2.Qc4#
- 1...Bb2
- 2.Qc4#
- 1...Bd2
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bd4
- 2.Qc4#
- 1...Rh6
- Tries
- 1.Sd4+?
- 1...Bxd4
- 2.Qc4#
- 2.Qc8#
- 1...exd4!
- 1...Bxd4
- 1.Bc7?
- threat
- 2.Sc5#
- 1...Bb4
- 2.Qc4#
- 1...Bd4
- 2.Qc4#
- 1...e4!
- threat
- 1.Be7?
- threat
- 2.Sc5#
- 2.Rf6#
- 1...Rf5
- 2.Sc5#
- 1...Rh6
- 2.Sc5#
- 2.Qxh6#
- 1...Rh8
- 2.Sc5#
- 1...Bb4
- 2.Rf6#
- 2.Qc4#
- 1...Bd4
- 2.Rf6#
- 2.Qc4#
- 1...e4!
- threat
- 1.Bb8?
- threat
- 2.Sc5#
- 1...Bb4
- 2.Qc4#
- 1...Bd4
- 2.Qc4#
- 1...e4!
- threat
- 1.Qf4?
- threat
- 2.Rf6#
- 2.Re8#
- 2.Qc4#
- 2.Qf6#
- 2.Qf7#
- 1...e4
- 2.Qf7#
- 1...Rh4
- 2.Rf6#
- 2.Re8#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Rf5
- 2.Qc4#
- 2.Qxf5#
- 1...Rh6
- 2.Re8#
- 2.Qxh6#
- 2.Qc4#
- 2.Qg4#
- 2.Qf5#
- 2.Qf7#
- 1...Rh7
- 2.Rf6#
- 2.Qc4#
- 2.Qg4#
- 2.Qf5#
- 2.Qf6#
- 1...Rh8
- 2.Qc4#
- 2.Qg4#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Bd4
- 2.Rf6#
- 2.Re8#
- 2.Qf6#
- 2.Qf7#
- 1...exf4!
- threat
- 1.Qg5?
- threat
- 2.Rf6#
- 2.Qf6#
- 2.Qe7#
- 2.Qg6#
- 2.Qg8#
- 1...Rh6
- 2.Qxh6#
- 2.Qe7#
- 2.Qg4#
- 2.Qf5#
- 2.Qg8#
- 1...Rh7
- 2.Rf6#
- 2.Qf6#
- 2.Qg4#
- 2.Qf5#
- 2.Qg6#
- 1...Rh8
- 2.Qf6#
- 2.Qe7#
- 2.Qg4#
- 2.Qf5#
- 2.Qg6#
- 1...e4
- 2.Bg4#
- 2.Qg8#
- 1...Rxg5!
- threat
- 1.Qb1?
- threat
- 2.Qa2#
- 2.Qg6#
- 2.Qb3#
- 1...Rh2
- 2.Qf5#
- 2.Qg6#
- 2.Qb3#
- 1...Rh4
- 2.Qf5#
- 2.Qg6#
- 1...Rf5
- 2.Qa2#
- 2.Qxf5#
- 2.Qb3#
- 1...Rg5
- 2.Qa2#
- 2.Qb3#
- 1...Rh6
- 2.Qa2#
- 2.Qf5#
- 2.Qb3#
- 1...Bb2
- 2.Qa2#
- 2.Qg6#
- 1...a4
- 2.Qa2#
- 2.Qg6#
- 1...e4!
- threat
- 1.Qd1?
- threat
- 2.Sc5#
- 2.Bd5#
- 2.Qb3#
- 2.Qd5#
- 1...Rh4
- 2.Sc5#
- 2.Bd5#
- 2.Qd5#
- 1...Bd2
- 2.Qb3#
- 1...Bb4
- 2.Bd5#
- 2.Qb3#
- 2.Qd5#
- 1...Bd4
- 2.Qb3#
- 1...a4
- 2.Sc5#
- 2.Bd5#
- 2.Qd5#
- 1...e4!
- threat
- 1.Qc2?
- threat
- 2.Qb3#
- 2.Qg6#
- 2.Qa2#
- 1...Rh2
- 2.Qb3#
- 2.Qf5#
- 2.Qg6#
- 1...Rh4
- 2.Qf5#
- 2.Qg6#
- 1...Rf5
- 2.Qb3#
- 2.Qxf5#
- 2.Qa2#
- 1...Rg5
- 2.Qb3#
- 2.Qa2#
- 1...Rh6
- 2.Qb3#
- 2.Qf5#
- 2.Qa2#
- 1...Bb2
- 2.Qb3#
- 2.Qg6#
- 2.Qc4#
- 1...a4
- 2.Qg6#
- 2.Qa2#
- 1...e4!
- threat
- 1.Qxc3?
- threat
- 2.Qb3#
- 2.Qc4#
- 1...Rh4
- 2.Qxe5#
- 1...a4
- 2.Qc4#
- 1...e4!
- threat
- 1.Sd4+?
- Keys
- 1.Bxe5!
- threat
- 2.Sc5#
- 2.Rf6#
- 1...Rxe5
- 2.Qh6#
- 1...Bxe5
- 2.Qc4#
- 1...Rf5
- 2.Sc5#
- 1...Rh6
- 2.Sc5#
- 2.Qxh6#
- 1...Rh8
- 2.Sc5#
- 1...Bb4
- 2.Rf6#
- 2.Qc4#
- 1...Bd4
- 2.Rf6#
- 2.Qc4#
- threat
- 1.Bxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(d);N_GUARD::QAR(A),XR(d)
- B(a);OGATE::QAB(A)
- Tries
- Try
- S(C);CHECK
- Refutation
- P(c);XS(C)
- Try
- B(D);
- Threat
- S(E)
- Vars
- B(a);OGATE::QAB(A)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(d);::S(E)
- R(d);P_PINR(G)::S(E)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- S(E)
- Vars
- B(a);OGATE::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- P(c);::QAB1(A)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- R(d);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- B(a);::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- P(c);
- Try
- Q(A);XB(a)
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD::QAR1(A),XP(c)
- P(b);::QAB(A)
- Refutation
- P(c);
- Try
- Actual
- B(D);XP(c)
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XB(D)::QAR(A)
- B(a);OGATE,XB(D)::QAB(A)
- R(d);::S(E)
- R(d);P_PINR(G)::S(E)
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